BK7 Windows | Custom Optical Windows

	BK7 Windows

Custom Optical Component >> Optical Windows >> BK7 Windows

BK7 Windows

A borosilicate crown optical glass, BK7 offers excellent physical and chemical properties for applications in visible and near IR. Due to its high homogeneity, low bubble, inclusion content, and excellent transmittance and low absorption in the entire visible wavelength range, BK7 is ideal material for optical windows used in laser, optical system, optical communication.

UltiTech has diverse experience of manufacturing custom-made optical windows, in a wide variety of material, including sapphire windows and BK7 windows.

UltiTech offers circular, rectangular and custom shape BK7 windows with thickness from 1 mm to 50 mm. High quality single-layer or multip-layer AR, HR, PR coatings are available upon request.

		Standard Specifications of BK7 Windows
		Diameter Tolerance: +0.0, -0.1mm Thickness Tolerance: ±0.02mm Clear Aperture : >85% Surface Accuracy: λ/4 @ 633nm Surface Quality S/D: 20/10 Parallelism: <3 Arc minutes Bevel: <0.25mm X 45° Coating: Available upon request

Custom Optical Windows


Fused Silica Window	Calcium Fluoride Window	ZnSe window	Germanium Window	Gallium Arsenide Window


Sapphire Lenses	Sapphire Windows	Sapphire Component	Knowledge & Service
Sapphire Convex Lens	Round Sapphire Window	Sapphire Light Guide	Sapphire Properties
Sapphire Concave Lens	Rectangle Sapphire Window	Sapphire IPL Light Guide	Sapphire Applications
Sapphire Meniscus Lens	Step Sapphire Window	Sapphire Rods	Sapphire Windows Properties
Sapphire ball lens	Wedge Sapphire Window	Sapphire Prisms	Sapphire Windows Fabrication
Sapphire half ball lens	Ultra Thin Sapphire Window	Sapphire Tubes	Sapphire Windows Polishing
	Sapphire Dome	Jewel Bearings	Sapphire Window Coating Metallization

Keywords: Sapphire Windows, Sapphire Lens, Sapphire Light Guides, Sapphire Balls, Sapphire Rods, Sapphire Prisms, Jewel Bearings, Sapphire Tube